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Method, terminal and system for caption transmission in telepresence

a terminal and caption technology, applied in the field of multimedia communication technologies, can solve the problems that the caption display overall coordination function cannot be implemented, the caption multi-screen coordinated processing cannot be implemented, etc., and achieve the effect of simplifying the implementation mode of the caption display, facilitating the caption layout, and reducing the probability of caption error

Active Publication Date: 2013-04-25
HUAWEI DEVICE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method and system for transmitting captions in telepresence that allows for centralized control of the caption content and display mode for each display terminal. This means that each display terminal only needs to display the caption according to a centralized configuration of the control device, which simplifies the implementation mode of the caption display. Additionally, this method prevents different captions from being displayed on different display terminals at the same time, reduces the likelihood of caption errors, and enhances the caption negotiation capability between display terminals.

Problems solved by technology

During implementation of the above caption display, the prior art has at least the following problem: The above two modes for displaying the captions are only applicable to a telepresence system having a single terminal and a single image; multi-screen coordinated processing for the captions in the telepresence system cannot be implemented.
Therefore, an overall coordination function for caption display cannot be implemented.

Method used

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  • Method, terminal and system for caption transmission in telepresence

Examples

Experimental program
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embodiment 1

[0057]In the system for caption transmission in telepresence provided in this embodiment, centralized caption processing is implemented through the negotiation of a control device, and each display terminal is responsible for receiving and displaying captions. In this embodiment, the control device may be an independent device terminal or functions of the control device may be integrated in the display terminal. Further, the control device may be implemented by a multi-point control server connected to a telepresence system through a transport network.

[0058]As shown in FIG. 3, a system for caption transmission in the telepresence system provided in this embodiment includes a control device 31 and at least two display terminals 32. The control device 31 is configured to: receive caption content and attribute information corresponding to the caption content, where the attribute information of the caption content mainly refers to display features, including but not limited to: color, f...

embodiment 2

[0091]The following describes the solution that an independent control device is used as a control device as an example for description. The control device and display terminals compose a system. The control device communicates with three display terminals. The control device is configured to receive entire caption content and attribute information corresponding to the caption content; and determine, according to the entire caption content and the attribute information corresponding to the caption content, caption content to be displayed on each display terminal and a display timing; and transmit the determined caption content to each corresponding display terminal. The three display terminals are configured to receive the caption content and superpose the determined caption content to an image. This embodiment differs from the embodiment illustrated in FIG. 7 in that the entire caption content and the attribute information corresponding to the entire caption content are transmitted...

embodiment 3

[0133]In a system for caption transmission in telepresence provided in this embodiment, a control device coordinates a display mode of each display terminal, and the display terminal is responsible for determining specific caption content and a display timing according to the display mode, and finally displaying the corresponding caption content according to the determined display timing. In this embodiment, the control device may be an independent device terminal or functions of the control device may be integrated in the display terminal. Further, the control device may be implemented by a multi-point control server connected to a telepresence system through a transport network.

[0134]As shown in FIG. 13, an embodiment of the present invention provides a system for caption transmission in telepresence, including a control device 131 and at least two display terminals 132.

[0135]The control device 131 is configured to determine, according to entire caption content and attribute infor...

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Abstract

Embodiments of the present invention disclose a method, terminal and system for caption transmission for telepresence, relating to the field of telepresence technologies and solving the problem that caption display on each display terminal cannot be coordinated in the prior art. Some embodiments include acquiring entire caption content and attribute information corresponding to the caption content; determining, according to the entire caption content and the attribute information corresponding to the caption content, caption content to be displayed on each display terminal and a display timing; and transmitting the determined caption content to each corresponding display terminal according to the display timing so that each display terminal superposes the determined caption content to an image.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of International Patent Application No. PCT / CN2011 / 075916, filed on Jun. 20, 2011, which claims priority to Chinese Patent Application No. 201010225014.5, filed on Jul. 13, 2010, both of which are hereby incorporated by reference in their entireties.FIELD OF THE INVENTION[0002]The present invention relates to the field of multimedia communication technologies, and in particular, to a method, an apparatus and a system for caption transmission in telepresence.BACKGROUND OF THE INVENTION[0003]The existing telepresence system generally uses multiple terminals binding multiple external devices (for example, multiple displays and multiple cameras) to construct a telepresence system. In this manner, the image picked up by each camera is coded by a corresponding terminal and then transmitted to a remote terminal. After receiving the remote code streams, the terminal decodes the code streams and output over the c...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N7/088
CPCH04N7/0885H04N7/0882H04N7/15
Inventor CHEN, XIANYI
Owner HUAWEI DEVICE CO LTD
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